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Electronic Principles

Electronic Principles
Holes are the minority carriers in which type of semiconductor?

Intrinsic
Extrinsic
p-type
n-type
None of these

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Electronic Principles
How many protons does the nucleus of a silicon atom contain?

4
14
29
None of these
48

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Electronic Principles
Doubling the diameter of the coil in an inductor:

reduces the value of inductance by one-half
reduces the value of inductance by one-fourth
multiplies the value of inductance by two
multiplies the value of inductance by four
None of these

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Electronic Principles
What is one important thing transistors do?

Amplify weak signals
Emit light
None of these
Rectify line voltage
Regulate voltage

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Electronic Principles
The equivalent of 1 micro A is:

one-millionth of an ampere
10000A
one million amperes
None of these
1000 A

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Electronic Principles
What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz?

1590 Ohm
690 Ohm
less than 1 Ohm
312 Ohm
None of these

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